diff --git a/src/components/three/XRHudInWorld.tsx b/src/components/three/XRHudInWorld.tsx
index 2ff565b..7b5edce 100644
--- a/src/components/three/XRHudInWorld.tsx
+++ b/src/components/three/XRHudInWorld.tsx
@@ -533,3 +533,46 @@ function ShareTab(p: XRHudInWorldProps) {
     </group>
   );
 }
+
+function WebXRTab() {
+  const xrFeatures = useModelStore((s) => s.xrFeatures);
+  const setXRFeature = useModelStore((s) => s.setXRFeature);
+  const reset = useModelStore((s) => s.resetXRFeatures);
+  const keys: { k: keyof typeof xrFeatures; label: string }[] = [
+    { k: 'handTracking',    label: 'Hand' },
+    { k: 'planeDetection',  label: 'Planes' },
+    { k: 'hitTest',         label: 'HitTest' },
+    { k: 'domOverlay',      label: 'DOM Ovl' },
+    { k: 'anchors',         label: 'Anchors' },
+    { k: 'meshDetection',   label: 'Mesh' },
+    { k: 'depthSensing',    label: 'Depth' },
+    { k: 'layers',          label: 'Layers' },
+    { k: 'bodyTracking',    label: 'Body' },
+  ];
+  return (
+    <group>
+      <Text position={[-0.24, 0.115, 0]} fontSize={0.0085} color="#94a3b8" anchorX="left" maxWidth={0.48}>
+        Desligue uma feature por vez para descobrir qual ativa o grid de segurança do Quest.
+      </Text>
+      <Text position={[-0.24, 0.095, 0]} fontSize={0.0075} color="#f59e0b" anchorX="left" maxWidth={0.48}>
+        Mudanças entram em vigor ao sair e re-entrar no AR.
+      </Text>
+      {keys.map((it, i) => {
+        const col = i % 3;
+        const row = Math.floor(i / 3);
+        const x = -0.18 + col * 0.14;
+        const y = 0.05 - row * 0.045;
+        const on = xrFeatures[it.k];
+        return (
+          <XR3DButton key={it.k}
+            position={[x, y, 0]} size={[0.125, 0.034]}
+            label={`${it.label}  ${on ? 'ON' : 'OFF'}`}
+            active={on} onClick={() => setXRFeature(it.k, !on)}
+            fontSize={0.0085} />
+        );
+      })}
+      <XR3DButton position={[0, -0.14, 0]} size={[0.18, 0.028]}
+        label="↺ Resetar (todas ON)" onClick={reset} fontSize={0.009} />
+    </group>
+  );
+}